Filter cage



FIG. 1 shows a front and perspective view of an embodiment for a filter cage design thereof.

FIG. 2 shows a front view thereof.

FIG. 3 shows a rear view thereof.

FIG. 4 shows a left view thereof.

FIG. 5 shows a right view thereof.

FIG. 6 shows a top view thereof.

FIG. 7 shows a bottom view thereof; and,

FIG. 8 shows a top perspective view of the filter cage in an open position.

The broken lines in the drawings are included for the purpose of illustrating environment and form no part of the claimed design. 

The ornamental design for a filter cage, as shown and described. 